high
8.8
CWE
787 120 119
Advisory Published
Updated

CVE-2019-11760: Buffer Overflow

First published: Tue Oct 22 2019(Updated: )

A fixed-size stack buffer could overflow in nrappkit when doing WebRTC signaling. This resulted in a potentially exploitable crash in some instances. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.

Credit: security@mozilla.org security@mozilla.org

Affected SoftwareAffected VersionHow to fix
redhat/firefox<0:68.2.0-4.el6_10
0:68.2.0-4.el6_10
redhat/thunderbird<0:68.2.0-2.el6_10
0:68.2.0-2.el6_10
redhat/firefox<0:68.2.0-1.el7_7
0:68.2.0-1.el7_7
redhat/thunderbird<0:68.2.0-1.el7_7
0:68.2.0-1.el7_7
redhat/firefox<0:68.2.0-2.el8_0
0:68.2.0-2.el8_0
redhat/thunderbird<0:68.2.0-1.el8_0
0:68.2.0-1.el8_0
redhat/firefox<68.2
68.2
redhat/thunderbird<68.2
68.2
Mozilla Thunderbird<68.2
68.2
Mozilla Firefox ESR<68.2
68.2
Mozilla Firefox<70
70
Mozilla Firefox<70.0
Mozilla Firefox ESR<68.2
Mozilla Thunderbird<68.2
Canonical Ubuntu Linux=16.04
ubuntu/firefox<70.0+
70.0+
ubuntu/firefox<70.0+
70.0+
ubuntu/firefox<70.0+
70.0+
ubuntu/firefox<70.0+
70.0+
ubuntu/firefox<70.0+
70.0+
ubuntu/firefox<70.0+
70.0+
ubuntu/firefox<70.0+
70.0+
ubuntu/firefox<70.0+
70.0+
ubuntu/firefox<70.0+
70.0+
ubuntu/firefox<70.0+
70.0+
ubuntu/firefox<70.0+
70.0+
ubuntu/firefox<70.0+
70.0+
ubuntu/firefox<70.0
70.0
ubuntu/firefox<70.0+
70.0+
ubuntu/thunderbird<1:68.2.1+
1:68.2.1+
ubuntu/thunderbird<1:68.2.1+
1:68.2.1+
ubuntu/thunderbird<1:68.2.0+
1:68.2.0+
ubuntu/thunderbird<1:68.2.0+
1:68.2.0+
ubuntu/thunderbird<1:68.2.0+
1:68.2.0+
ubuntu/thunderbird<1:68.2.0+
1:68.2.0+
ubuntu/thunderbird<1:68.2.0+
1:68.2.0+
ubuntu/thunderbird<1:68.2.0+
1:68.2.0+
ubuntu/thunderbird<1:68.2.0+
1:68.2.0+
ubuntu/thunderbird<1:68.2.0+
1:68.2.0+
ubuntu/thunderbird<1:68.2.0+
1:68.2.0+
ubuntu/thunderbird<68.2
68.2
ubuntu/thunderbird<1:68.7.0+
1:68.7.0+
debian/firefox
125.0.3-1
debian/firefox-esr
91.12.0esr-1~deb10u1
115.10.0esr-1~deb10u1
115.7.0esr-1~deb11u1
115.10.0esr-1~deb11u1
115.7.0esr-1~deb12u1
115.10.0esr-1~deb12u1
115.10.0esr-1
debian/thunderbird
1:91.12.0-1~deb10u1
1:115.10.1-1~deb10u1
1:115.7.0-1~deb11u1
1:115.10.1-1~deb11u1
1:115.7.0-1~deb12u1
1:115.10.1-1~deb12u1
1:115.10.1-1

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Reference Links

Parent vulnerabilities

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Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID for this issue?

    The vulnerability ID for this issue is CVE-2019-11760.

  • What software versions are affected by this vulnerability?

    This vulnerability affects Firefox versions prior to 70, Thunderbird versions prior to 68.2, and Firefox ESR versions prior to 68.2.

  • How severe is CVE-2019-11760?

    CVE-2019-11760 has a severity rating of 8.8 (high).

  • What is the description of this vulnerability?

    A fixed-size stack buffer could overflow in nrappkit when doing WebRTC signaling, leading to a potentially exploitable crash.

  • How do I fix CVE-2019-11760?

    To fix CVE-2019-11760, update your Firefox to version 70 or later, Thunderbird to version 68.2 or later, or Firefox ESR to version 68.2 or later.

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